Exercise 8

Exercise_8/8.3_database_of_employee.cpp

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+#include <iostream>
+#include<cstring>
+
+using namespace std;
+
+class Staff
+{
+    int code ;
+    string name ;
+
+    public:
+    void get_staff_info()
+    {
+        cout <<"\nEnter your code and name :" <<endl;
+        cin >> code >> name;
+        cout << "Code :" << code << "\tName :" << name<<endl;
+    }
+};
+
+class Teacher :  public Staff
+{
+    string subject ;
+    string publication ;
+
+    public:
+    void teacher_info()
+    {
+        cout <<"\nEnter your subject and publication :"<<endl;
+        cin >> subject >> publication ;
+        cout <<"Subject :" << subject << "\tPublication :" << publication <<endl;
+    }
+};
+
+class Typist : public Staff
+{
+    int speed ;
+
+    public:
+    void get_speed()
+    {
+            cout <<"\nEnter your speed :";
+            cin>>speed;
+            cout <<"Your speed is :" <<speed<<endl;
+    }
+};
+
+class Officer : public Staff
+{
+    public:
+    string grade;
+    //take grade from user in main
+
+    void get_off_info()
+    {
+            cout<<"\nYou are " << grade << " grade officer" <<endl;
+    }
+};
+
+class Regular : public Typist
+{
+  //  string type;
+    public:
+    Regular()
+   {
+        cout <<"\nYou are regular typist." <<endl;
+    }
+};
+
+class Casual : public Typist
+{
+    int daily_wages ;
+    //take daily_wages from user in main
+    public:
+    void casual_typist_info()
+    {
+        cout<<"Enter your daily wages :"<<endl;
+        cin>>daily_wages;
+        cout <<"\nYou are casual typist and your daily wages are :" << daily_wages<<endl;
+    }
+};
+int main()
+{
+    Staff stf;
+    Teacher tch;
+    Typist typ;
+    Casual cas;
+
+    cout<<"Enter details as required :" << endl;
+
+    stf.get_staff_info();
+
+    tch.teacher_info();
+
+    typ.get_speed();
+
+    cout<<"\nEnter which type of officer you are :"<<endl;
+    Officer off;
+    cin >>off.grade;
+    off.get_off_info();
+
+    cout<<"\nEnter which type of typist you are ?"<<endl;
+    char ch;
+    cout<<"\n r. Regular Typist \n c. Casual Typist"<<endl;
+    cin>>ch;
+   if(ch == 'r')
+        Regular reg;
+    else if(ch == 'c')
+        cas.casual_typist_info();
+
+    return 0;
+}

Exercise_8/8.4_educational_info_staff.cpp

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+#include <iostream>
+#include<cstring>
+
+using namespace std;
+
+class Staff
+{
+    int code ;
+    string name ;
+
+    public:
+    void get_staff_info()
+    {
+        cout <<"\nEnter your code and name :" <<endl;
+        cin >> code >> name;
+        cout << "Code :" << code << "\tName :" << name<<endl;
+    }
+};
+
+class Teacher :  public Staff
+{
+    string subject ;
+    string publication ;
+
+    public:
+    void teacher_info()
+    {
+        cout <<"\nEnter your subject and publication :"<<endl;
+        cin >> subject >> publication ;
+        cout <<"Subject :" << subject << "\tPublication :" << publication <<endl;
+    }
+};
+
+class Typist : public Staff
+{
+    int speed ;
+
+    public:
+    void get_speed()
+    {
+            cout <<"\nEnter your speed :";
+            cin>>speed;
+            cout <<"Your speed is :" <<speed<<endl;
+    }
+};
+
+class Officer : public Staff
+{
+    public:
+    string grade;
+    //take grade from user in main
+
+    void get_off_info()
+    {
+            cout<<"\nYou are " << grade << " grade officer" <<endl;
+    }
+};
+
+class Regular : public Typist
+{
+  //  string type;
+    public:
+    Regular()
+   {
+        cout <<"\nYou are regular typist." <<endl;
+    }
+};
+
+class Casual : public Typist
+{
+    int daily_wages ;
+    //take daily_wages from user in main
+    public:
+    void casual_typist_info()
+    {
+        cout<<"Enter your daily wages :"<<endl;
+        cin>>daily_wages;
+        cout <<"\nYou are casual typist and your daily wages are :" << daily_wages<<endl;
+    }
+};
+
+class Education :Teacher ,  Officer
+{
+    string gen_edu;
+    string prof_edu;
+    char chr;
+
+    public:
+    void get_info_edu()
+    {
+        cout<<"\nEnter your designation :" <<endl;
+        cout<<"\n g. General Education \np. Proffessional Education"<<endl;
+        cin>>chr;
+
+        if(chr == 'g')
+            cout << "You have general education.";
+        else if(chr == 'p')
+            cout<<"You have proffesional education.";
+    }
+};
+int main()
+{
+    Staff stf;
+    Teacher tch;
+    Typist typ;
+    Casual cas;
+    Education edu;
+
+    cout<<"Enter details as required :" << endl;
+
+    stf.get_staff_info();
+
+    tch.teacher_info();
+
+    typ.get_speed();
+
+    cout<<"\nEnter which type of officer you are :"<<endl;
+    Officer off;
+    cin >>off.grade;
+    off.get_off_info();
+
+    cout<<"\nEnter which type of typist you are ?"<<endl;
+    char ch;
+    cout<<"\n r. Regular Typist \n c. Casual Typist"<<endl;
+    cin>>ch;
+   if(ch == 'r')
+        Regular reg;
+    else if(ch == 'c')
+        cas.casual_typist_info();
+
+    edu.get_info_edu();
+
+    return 0;
+}

Exercise_8/8.5_master_class_derives_parent_class_property.cpp

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+/* Exercise_8_8.5*/
+#include <iostream>
+#include<cstring>
+
+using namespace std;
+
+class Person
+{
+    public:     //as data memebers are protected , it can be used by their subclasses
+    int per_c ;
+    string per_n;
+};
+
+class Account : Person
+{
+    protected:      //as data memebers are protected , it can be used by their subclasses
+    int pay;
+};
+
+class Admin : Person
+{
+    protected :     //as data memebers are protected , it can be used by their subclasses
+    int exp;
+};
+
+class Master : Account , Admin
+{
+    public:
+
+    void disp_person_info()     //displays person's information
+    {
+        cout <<"Enter name and code :"<<endl;
+        cin >> personCode>> personName;
+        cout<<"Code:"<<personCode<<"\tName:"<<perName<<endl;
+    }
+
+    void get_amount()    //it will take amount and display it
+    {
+        cout <<"How much amount is paid to you ?"<<endl;
+        cin >>pay;
+        cout<<"Your paid amount is :" << pay<<endl;
+    }
+
+    void disp_exp()     //displays experience
+    {
+        cout<<"How many years of experience do you have ?" <<endl;
+        cin>> exp;
+        cout<<"You have " << exp << "year expereince" << endl;
+    }
+};
+int main()
+{
+    Master mas;
+
+   mas.disp_person_info();
+   mas.disp_exp();
+   mas.get_amount();
+
+    return 0;
+}
+